Rounds no longer end instantly

I think I learned a valuable lesson today about how changing numerical
modes should be tested.

code/__DEFINES/shuttles.dm

@@ -1,11 +1,11 @@
 //shuttle mode defines
-#define SHUTTLE_IDLE		"idle"
-#define SHUTTLE_RECALL		"recalled"
-#define SHUTTLE_CALL		"called"
-#define SHUTTLE_DOCKED		"docked"
-#define SHUTTLE_STRANDED	"stranded"
-#define SHUTTLE_ESCAPE		"escape"
-#define SHUTTLE_ENDGAME		"endgame"
+#define SHUTTLE_IDLE		0
+#define SHUTTLE_RECALL		1
+#define SHUTTLE_CALL		2
+#define SHUTTLE_DOCKED		3
+#define SHUTTLE_STRANDED	4
+#define SHUTTLE_ESCAPE		5
+#define SHUTTLE_ENDGAME		6
 
 // Shuttle return values
 #define SHUTTLE_NOT_A_DOCKING_PORT "not_a_docking_port"

code/modules/shuttle/manipulator.dm

@@ -43,6 +43,24 @@
 			master_ui, state)
 		ui.open()
 
+/proc/shuttlemode2str(mode)
+	switch(mode)
+		if(SHUTTLE_IDLE)
+			. = "idle"
+		if(SHUTTLE_RECALL)
+			. = "recalled"
+		if(SHUTTLE_CALL)
+			. = "called"
+		if(SHUTTLE_DOCKED)
+			. = "docked"
+		if(SHUTTLE_STRANDED)
+			. = "stranded"
+		if(SHUTTLE_ENDGAME)
+			. = "endgame"
+	if(!.)
+		throw EXCEPTION("shuttlemode2str(): invalid mode [mode]")
+
+
 /obj/machinery/shuttle_manipulator/ui_data(mob/user)
 	var/list/data = list()
 	data["tabs"] = list("Status", "Templates", "Modification")
@@ -87,7 +105,7 @@
 		L["id"] = M.id
 		L["timer"] = M.timer
 		L["timeleft"] = M.getTimerStr()
-		L["mode"] = capitalize(M.mode)
+		L["mode"] = capitalize(shuttlemode2str(M.mode))
 		L["status"] = M.getStatusText()
 		if(M == existing_shuttle)
 			data["existing_shuttle"] = L